EP0716234A3 - Dispositif supplémentaire pour un dispositif de commande hydraulique - Google Patents

Dispositif supplémentaire pour un dispositif de commande hydraulique Download PDF

Info

Publication number
EP0716234A3
EP0716234A3 EP95203343A EP95203343A EP0716234A3 EP 0716234 A3 EP0716234 A3 EP 0716234A3 EP 95203343 A EP95203343 A EP 95203343A EP 95203343 A EP95203343 A EP 95203343A EP 0716234 A3 EP0716234 A3 EP 0716234A3
Authority
EP
European Patent Office
Prior art keywords
add
hydraulic control
control arrangement
function
subsequent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95203343A
Other languages
German (de)
English (en)
Other versions
EP0716234A2 (fr
Inventor
Welm Friedrichsen
Thorkild Christensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss AS
Original Assignee
Danfoss AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danfoss AS filed Critical Danfoss AS
Publication of EP0716234A2 publication Critical patent/EP0716234A2/fr
Publication of EP0716234A3 publication Critical patent/EP0716234A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401Valve members; Fluid interconnections therefor
    • F15B13/0402Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40553Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40561Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged upstream of the flow control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40576Assemblies of multiple valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/41Flow control characterised by the positions of the valve element
    • F15B2211/411Flow control characterised by the positions of the valve element the positions being discrete
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/415Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41509Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/455Control of flow in the feed line, i.e. meter-in control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/465Flow control with pressure compensation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/55Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/87169Supply and exhaust
    • Y10T137/87177With bypass
    • Y10T137/87185Controlled by supply or exhaust valve
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/877With flow control means for branched passages
    • Y10T137/87885Sectional block structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
EP95203343A 1994-12-07 1995-12-05 Dispositif supplémentaire pour un dispositif de commande hydraulique Withdrawn EP0716234A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4443462A DE4443462A1 (de) 1994-12-07 1994-12-07 Zusatzeinrichtung für eine hydraulische Steuervorrichtung
DE4443462 1994-12-07

Publications (2)

Publication Number Publication Date
EP0716234A2 EP0716234A2 (fr) 1996-06-12
EP0716234A3 true EP0716234A3 (fr) 1998-10-14

Family

ID=6535093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95203343A Withdrawn EP0716234A3 (fr) 1994-12-07 1995-12-05 Dispositif supplémentaire pour un dispositif de commande hydraulique

Country Status (3)

Country Link
US (1) US5778930A (fr)
EP (1) EP0716234A3 (fr)
DE (1) DE4443462A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2757599B1 (fr) * 1996-12-23 1999-01-29 Ksb Sa Actionneur de robinet dans lequel la base du boitier est conformee de maniere a assurer les liaisons de distribution du fluide
FR2830294B1 (fr) * 2001-09-28 2004-03-12 Parker Hannifin Rak Sa Element intercalaire d'isolation dans un ilot de modules de distribution
DE102006060326B4 (de) * 2006-12-20 2008-11-27 Sauer-Danfoss Aps Hydraulische Ventilanordnung
DE102006060334B4 (de) * 2006-12-20 2011-08-25 Sauer-Danfoss Aps Hydraulische Ventilanordnung
US20150167276A1 (en) * 2013-12-13 2015-06-18 Cnh America Llc Power beyond valve assembly for an agricultural implement
CN105443480B (zh) 2014-08-12 2017-09-08 徐工集团工程机械股份有限公司 工作联阀体结构及比例多路阀
JP7021964B2 (ja) 2018-01-31 2022-02-17 Kyb株式会社 弁装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869567A (en) * 1956-02-13 1959-01-20 Sundstrand Machine Tool Co Flow controller unit for stack valve
US3643684A (en) * 1970-03-16 1972-02-22 William L Moore Pressure control devices for pneumatic circuits
GB2064728A (en) * 1979-11-30 1981-06-17 Telemecanique Electrique A progressive pneumatic starter device
DE4209791A1 (de) * 1992-03-26 1993-09-30 Bosch Gmbh Robert Hydraulische Einrichtung zur Versorgung eines doppeltwirkenden Motors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330008A (en) * 1978-07-31 1982-05-18 Michael Skelly Multiple flow and directional control valve
USRE31529E (en) * 1979-02-16 1984-03-06 Ball Corporation Electronic valve assembly for glassware forming machinery
DE3243179A1 (de) * 1982-11-23 1984-05-24 Robert Bosch Gmbh, 7000 Stuttgart Ventilplatte mit einem 3-wege-stromregelventil
DE4005967C2 (de) * 1990-02-26 1996-05-09 Rexroth Mannesmann Gmbh Steueranordnung für mehrere hydraulische Verbraucher

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869567A (en) * 1956-02-13 1959-01-20 Sundstrand Machine Tool Co Flow controller unit for stack valve
US3643684A (en) * 1970-03-16 1972-02-22 William L Moore Pressure control devices for pneumatic circuits
GB2064728A (en) * 1979-11-30 1981-06-17 Telemecanique Electrique A progressive pneumatic starter device
DE4209791A1 (de) * 1992-03-26 1993-09-30 Bosch Gmbh Robert Hydraulische Einrichtung zur Versorgung eines doppeltwirkenden Motors

Also Published As

Publication number Publication date
DE4443462A1 (de) 1996-06-13
US5778930A (en) 1998-07-14
EP0716234A2 (fr) 1996-06-12

Similar Documents

Publication Publication Date Title
CA2211474A1 (fr) Multiplicateur de pression pour fluides, notamment pour liquides hydrauliques
EP0844338A3 (fr) Dispositif de commande pour un moteur hydraulique
KR960706609A (ko) 블록-보호된 차량 브레이킹 시스템에서 수력에 의해 유체를 전달하기 위한 피스톤 펌프(reciprocating pump for pumping hydraulic fluid)
CA2267203A1 (fr) Dispositif de freinage
CA2239134A1 (fr) Appareil de controle pour machine de construction
ES2136232T3 (es) Estacion de bombeo de vacio.
EP0846873A3 (fr) Vanne de commutation pilotée.
EP0716234A3 (fr) Dispositif supplémentaire pour un dispositif de commande hydraulique
TW365575B (en) Mechanical pressure apparatus having a hydraulic-pressure-overload-ratio-valve system
CA2297040A1 (fr) Procede servant a regler une pression d'alimentation
EP1101940A3 (fr) Régulation d'une pompe à carburant par immobilisation de pistons
EP1118771A3 (fr) Dispositif de régulation de puissance
EP0877168A4 (fr) Dispositif d'entrainement hydraulique
EP0916535A3 (fr) Dispositif et procédé pour l'actionnement hydraulique des parts mobiles
EP1433961A3 (fr) Distributeur avec consommation d'énergie réduite
FR2388149A1 (fr) Installation hydraulique comportant une commande simultanee selective de pression et de debit
GB2323579A (en) Hydraulic control device
EP0718496A3 (fr) Système électrohydraulique à assistance variable
EP0952367A3 (fr) Système de commande hydraulique pour l'embrayage dans une prise de force
EP1050680A3 (fr) Joint d'arbre pour machine hydraulique
JPS57201434A (en) Oil-pressure circuit for hydraulic shovel
WO2001020171A8 (fr) Machine a moteur muni d'un support de soupape
WO1997049924A3 (fr) Ameliorations relatives a des actionneurs et des vibrateurs a haute vitesse travaillant avec des fluides electrorheologiques
DE59807517D1 (de) Elektrohydraulische Spannvorrichtung
EP0899483A3 (fr) Dispositif de commande pour une transmission de véhicule actionnée hydrauliquement

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE DE DK ES FR GB IT NL PT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE DE DK ES FR GB IT NL PT SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19990413